/Engine/Source/Runtime/AugmentedReality/Public/ARBlueprintLibrary.h
Given some real-world geometry being tracked by the Augmented Reality system, draw it on the screen for debugging purposes (rudimentary)
static void DebugDrawTrackedGeometry ( [UARTrackedGeometry](API\Runtime\AugmentedReality\UARTrackedGeometry) * TrackedGeometry, [UObject](API\Runtime\CoreUObject\UObject\UObject) * WorldContextObject, [FLinearColor](API\Runtime\Core\Math\FLinearColor) Color, float OutlineThickness, float PersistForSeconds )